Count nouns:book, umbrella,friend
non-count: knowledge, rain,happiness
Answer:
A. two sets of double solid yellow lines
Explanation:
Yellow lines are used to mark the center of a two-way road used for two-way traffic. Which is considered the most dangerous kind of road since cars are coming in opposite directions. Broken lines mean you might be able to pass if safe, but solid lines are a big "no".
